Ginger is a stem which can be differentiated from root because it (1) Grows parallel to ground (2) Stores food (3) Lacks chlorophyll (4) Has nodes and internodes

Answer: 4.

Ginger (Zingiber officinale) has been identified as an underground stem or precisely rhizome modifications that comprise internodes and nodes. The rhizome appears as a branched, horizontally developing, prostrate stem that consists of nodes. On these nodes there are sessile scale leaves that bear buds in the axil.